Question

if one mole of carbon atoms weight 12 grams calculate the mass in gram of one atom of carbon​

Answer 1

Answer: 2 × 10^-23 g approx.

Explanation:

Mass of 1 Mole C atoms = 12 g

OR Mass of 6.023 × 10^23 C atoms = 12g

Therfore,

Mass of 1 C atom = 12 / 6.023 × 10^23

= 1.99 × 10^-23

= 2× 10^-23 g approx.

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Answer 2

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Given: 1 mole of carbon weighs 12g

1 mole of carbon atoms = 6.022 X 10²³

Molecular mass of carbon atoms =

12g = an atom of carbon mass

Hence, mass of 1 carbon atom = 12 / 6.022 X 10²³ = 1.99 X 10-²³g